| ZIP Codes: | 13 ZIP Codes (11 Standard, 1 PO Box, 1 Unique) [See All] |
| Area Codes: | 353 / 608 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:14:18 PM |
| Population: | 22,784 [See All] |
| FIPS: | 55049 |
| CBSA: | Madison, WI |
| Land Area: | 705 sq mi |
| Water Area: | 4 sq mi |
| Coordinates: | 42.9817, -90.1650 |
| Quick Link: |
22,784 residents live across 13 ZIPs covering 705 sq mi, served by 12 distinct USPS-recognized cities.
Population moved from 22,675 to 22,784 from 2014 to 2024 — a +0.5% change. 7 ZIPs gained residents, 4 lost.
The county's wealthiest ZIP 53507 (Barneveld, $113,261 median) and poorest ZIP 53506 (Avoca, $59,861) are 21.6 miles apart — a 1.9× income gap across local geography.
Median home values vary 2.4× across this county — from $145,800 in 53580 (Rewey) to $347,400 in 53507 (Barneveld).
Educational attainment ranges from 6.8% bachelor's+ in 53553 (Linden) to 37.7% in 53507 (Barneveld) — the breadth of educational profiles across the area.
Within Wisconsin, this is the #47 most populous of 73 counties and ranks #21 for median household income .
Hosts 1 single-entity Unique ZIP: 53595Dodgeville .
Weighted by population, the typical household earns about $83,797 across the county — reflecting what a typical resident sees, not a simple ZIP average.
28.2% of adults age 25+ hold a bachelor's degree or higher (4,568 of 16,205 reporting).
11 Standard delivery, 1 PO Box only, 1 single-entity Unique ZIPs serve this county.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 53533 | Dodgeville | Standard | 7,283 | $77,849 | 142.3 | 0.8% |
| 53565 | Mineral Point | Standard | 4,778 | $84,589 | 183.0 | -4.0% |
| 53507 | Barneveld | Standard | 2,467 | $113,261 | 66.3 | 9.4% |
| 53503 | Arena | Standard | 2,057 | $87,361 | 58.8 | 8.4% |
| 53543 | Highland | Standard | 1,758 | $77,031 | 81.2 | 6.0% |
| 53582 | Ridgeway | Standard | 1,070 | $89,107 | 34.9 | 12.3% |
| 53506 | Avoca | Standard | 1,011 | $59,861 | 58.7 | -5.2% |
| 53544 | Hollandale | Standard | 826 | $100,625 | 36.7 | 5.5% |
| 53553 | Linden | Standard | 621 | $64,375 | 13.0 | 0.5% |
| 53526 | Cobb | Standard | 471 | $79,286 | 8.7 | -25.6% |
| 53580 | Rewey | Standard | 442 | $61,667 | 21.3 | -27.1% |
| 53535 | Edmund | PO Box | — | — | 0.0 | — |
| 53595 | Dodgeville | Unique | — | — | 0.0 | — |